65556400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1801}}^1$

素因数の和:1839

約数の個数: 120

約数和(自身を含む): 193952864

約数和(自身を除く): 128396464

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 175, 182, 200, 208, 260, 280, 325, 350, 364, 400, 455, 520, 560, 650, 700, 728, 910, 1040, 1300, 1400, 1456, 1801, 1820, 2275, 2600, 2800, 3602, 3640, 4550, 5200, 7204, 7280, 9005, 9100, 12607, 14408, 18010, 18200, 23413, 25214, 28816, 36020, 36400, 45025, 46826, 50428, 63035, 72040, 90050, 93652, 100856, 117065, 126070, 144080, 163891, 180100, 187304, 201712, 234130, 252140, 315175, 327782, 360200, 374608, 468260, 504280, 585325, 630350, 655564, 720400, 819455, 936520, 1008560, 1170650, 1260700, 1311128, 1638910, 1873040, 2341300, 2521400, 2622256, 3277820, 4097275, 4682600, 5042800, 6555640, 8194550, 9365200, 13111280, 16389100, 32778200, 65556400]

約数ペア:

[(1, 65556400), (2, 32778200), (4, 16389100), (5, 13111280), (7, 9365200), (8, 8194550), (10, 6555640), (13, 5042800), (14, 4682600), (16, 4097275), (20, 3277820), (25, 2622256), (26, 2521400), (28, 2341300), (35, 1873040), (40, 1638910), (50, 1311128), (52, 1260700), (56, 1170650), (65, 1008560), (70, 936520), (80, 819455), (91, 720400), (100, 655564), (104, 630350), (112, 585325), (130, 504280), (140, 468260), (175, 374608), (182, 360200), (200, 327782), (208, 315175), (260, 252140), (280, 234130), (325, 201712), (350, 187304), (364, 180100), (400, 163891), (455, 144080), (520, 126070), (560, 117065), (650, 100856), (700, 93652), (728, 90050), (910, 72040), (1040, 63035), (1300, 50428), (1400, 46826), (1456, 45025), (1801, 36400), (1820, 36020), (2275, 28816), (2600, 25214), (2800, 23413), (3602, 18200), (3640, 18010), (4550, 14408), (5200, 12607), (7204, 9100), (7280, 9005)]